A venture investor, SoCAL is considering investing in a software venture opportunity. However, the rate of return to be realized next year is likely to vary with the economic climate that actually occurs as below. Calculate the coefficient of variation (CV) of the rates of return for the software venture.
Economic Probability of Rate of
Climate Occurrence Return
Recession .25 -15.0%
Normal .50 15.0%
Rapid growth .25 30.0%
Expected return=Respective return*Respective probability
=(0.25*-15)+(0.5*15)+(0.25*30)
=11.25%
probability | Return | probability*(Return-Expected Return)^2 |
0.25 | -15 | 0.25*(-15-11.25)^2=172.265625 |
0.5 | 15 | 0.5*(15-11.25)^2=7.03125 |
0.25 | 30 | 0.25*(30-11.25)^2=87.890625 |
Total=267.1875% |
Standard deviation=[Total probability*(Return-Expected Return)^2/Total probability]^(1/2)
=(267.1875)^(1/2)
=16.35%(Approx)
Coefficient of variation=Standard deviation/Expected return
=16.35/11.25
=1.453(Approx)
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